期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 348, 期 15, 页码 2051-2056出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.200606208
关键词
asymmetric catalysis; chiral amine; hydroamination; palladium; phosphine
A family of tunable precatalysts [Pd((S)-L*)(NCMe)(2)](OTf)(2), where L* is 4,4'-disubstituted BINAP or SEGPHOS, was synthesized and used for the asymmetric intermolecular hydroamination of aniline to vinylarenes with ee values of up to 85 %, and it is believed that the bulky groups on the 4,4'-positions and the narrower dihedral angle of the biaryl moiety are responsible for the ee enhancement in these reactions.
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